2009486725 has 6 divisors (see below), whose sum is σ = 2491763570. Its totient is φ = 1607589360.

The previous prime is 2009486719. The next prime is 2009486737. The reversal of 2009486725 is 5276849002.

It can be written as a sum of positive squares in 3 ways, for example, as 678550401 + 1330936324 = 26049^2 + 36482^2 .

It is not a de Polignac number, because 2009486725 - 2⁵ = 2009486693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40189710 + ... + 40189759.

Almost surely, 2^2009486725 is an apocalyptic number.

2009486725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2009486725 is a deficient number, since it is larger than the sum of its proper divisors (482276845).

2009486725 is an equidigital number, since it uses as much as digits as its factorization.

2009486725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80379479 (or 80379474 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 2009486725 is about 44827.2988813736. The cubic root of 2009486725 is about 1261.9099958583.

The spelling of 2009486725 in words is "two billion, nine million, four hundred eighty-six thousand, seven hundred twenty-five".